Presents the same technical prescriptions of the model IP ST with the difference to be realized without the balancing system of the sheeft and to use a geared motor unit with worm screw instead 'of coaxial type grafted directly winding shaft.
The opening and closing takes place with manual unlocking of the gearmotor portion and the insertion of a screwdriver.
A simple and highly reliable for outdoor installations.
Exclusive and unique security system SAFETY FIRST applied to the automatic versions.